Brrr is a free trivia game developed by Česká televize for Android devices. The game has a unique storyline where squirrels accidentally hide all the presents for little bugs while stocking up for winter. The player takes on the role of ant Eeney, who has to find the hidden gifts and put them back under the tree.

The game has a cute and colorful design with simple gameplay mechanics that are easy to understand. The player has to answer trivia questions correctly to progress through the different levels and find the hidden gifts. The game has over 500 questions in different categories like science, history, and pop culture. The questions are challenging, but not too difficult, making it a fun game for people of all ages.

Overall, Brrr is a fun and engaging trivia game that offers a unique twist with its adorable storyline. The game is free to download, and there are no in-app purchases, making it a great option for people looking for a fun and free trivia game on their Android devices.